active

Green Tea Extract

Evidence tier

LOW

Evidence score

HQ studies

Total studies

Goal scores

Acne

9 studies

Brightening

9 studies

Barrier

9 studies

Anti Aging

9 studies

Hydration

9 studies

Sebum

9 studies

Sensitivity

9 studies

Interactions

synergy · Ascorbic Acid

EGCG from green tea and vitamin C provide complementary antioxidant protection. Green tea adds anti-inflammatory benefits.

myth · Niacinamide

Myth: "polyphenols reduce niacinamide absorption." No evidence for negative interaction. Both are well-tolerated water-soluble actives.

Citations

DOI:10.1155/2013/153695
Stability of a Cosmetic Multiple Emulsion Loaded with Green Tea Extract
DOI:10.22159/ijap.2018.v10s1.66
NOVEL TRANSETHOSOME CONTAINING GREEN TEA (CAMELLIA SINENSIS L. KUNTZE) LEAF EXTRACT FOR ENHANCED SKIN DELIVERY OF EPIGALLOCATECHIN GALLATE: FORMULATION AND IN VITRO PENETRATION TEST
PMID:23742288
The use of green tea extract in cosmetic formulations: not only an antioxidant active ingredient
PMID:34965006
Effect of green tea extract loaded chitosan microparticles on facial skin: A split-face, double-blind, randomized placebo-controlled study.
DOI:10.1159/000056336
Cutaneous Photochemoprotection by Green Tea: A Brief Review
PMID:30970708
Structural Features and the Anti-Inflammatory Effect of Green Tea Extract-Loaded Liquid Crystalline Systems Intended for Skin Delivery.
PMID:19786823
Skin Penetration of Epigallocatechin-3-Gallate and Quercetin from Green Tea and <i>Ginkgo biloba</i> Extracts Vehiculated in Cosmetic Formulations
PMID:39795252